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Silver 3U rack server front with eight 2.5-inch drive bays and bezel

DELL

DELL PowerEdge R940 3U rack server 4× Xeon Gold 6148 2.4GHz 20-core 256GB DDR4 8× 1.2TB SAS H730P

SKU CH-X22K-JAMSQ

Four-socket 3U rack server with 4× Xeon Gold 6148 20-core processors, 256 GB DDR4 ECC memory, eight 1.2 TB SAS drives and PERC H730P controller

  • TypeRack
  • Rack Height3U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647

Installed Memory Size 256GB

HDD 8 x 1.2TB 10K SAS

CPU Model Gold 6148

Struck-through versions exist but are not stocked here.

  • Four Xeon Gold 6148 CPUs provide 20 cores each at 2.4 GHz
  • 256 GB DDR4 2666 MHz ECC memory installed across 8 modules
  • PERC H730P controller supports RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Eight 1.2 TB 10K SAS drives deliver high-capacity storage
  • iDRAC9 Enterprise enables full remote management and monitoring

Four-socket Xeon server for dense compute

The Dell PowerEdge R940 fits four Intel Xeon Gold 6148 processors in a 3U rack chassis. Each CPU provides 20 cores at 2.4 GHz with a 3.7 GHz turbo frequency. The system ships with 256 GB of DDR4 registered ECC memory across 48 slots. Eight 1.2 TB SAS drives and a PERC H730P controller handle storage.

Suited to multi-threaded workloads.

This configuration targets virtualization hosts, database clusters and analytics platforms that benefit from high core counts and large memory capacity. Buyers who need maximum single-thread performance or GPU acceleration should evaluate other platforms. The chassis includes redundant 1600 W power supplies, quad-port networking and iDRAC9 Enterprise remote management.

48 DIMM slots define maximum memory capacity

The motherboard provides 48 DDR4 slots supporting up to 6 TB total when fully populated. Current population uses 8 x 32 GB modules leaving 40 slots available for expansion. Memory upgrades must use registered ECC DDR4 to maintain compatibility.

Highlights

  • Four Xeon Gold 6148 CPUs provide 20 cores each at 2.4 GHz
  • 256 GB DDR4 2666 MHz ECC memory installed across 8 modules
  • PERC H730P controller supports RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Eight 1.2 TB 10K SAS drives deliver high-capacity storage
  • iDRAC9 Enterprise enables full remote management and monitoring

Specifications

BrandDELL
SeriesPowerEdge R940
ModelR940
TypeRack
Rack Height3U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.40 GHz
CPU SocketLGA 3647
Number of CPU Cores20-Core Processor
# of Processors Installed4
MAX Processors4
ChipsetIntel C620
Installed Memory Size256GB
Memory TypeDDR4
Max Memory Capacity6TB
Number of Memory Slots48
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSAS
SSD (Installed)No
Raid LevelRAID 0/1/5/6/10/50/60
GPU TypeMatrox G200
Video Memory8MB
Ethernet ControllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
LAN Ports4 x Ports
Expansion SlotsUp to 13 PCIe Gen 3 Slots, 3x PCIe x8, and 10 x PCIe 3.0 x16 slots
Management PortRJ 45
Operating SystemNo
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What rack space and power circuits must already be available to install this 3U server with dual 1600 W supplies?

The chassis occupies 3U of rack height and ships with ready rails. Two separate circuits are recommended because each 1600 W platinum supply can draw full load independently.

Can the installed PERC H730P controller manage the eight 1.2 TB 10K SAS drives together with any SATA SSDs I might add later?

Yes. The H730P supports SAS and SATA simultaneously and offers RAID 0, 1, 5, 6, 10, 50, 60 plus pass-through, so mixed drive types can share the same backplane.

How do I confirm the four Xeon Gold 6148 CPUs and 256 GB of DDR4-2666 memory are all detected and healthy after first boot?

Open the iDRAC9 Enterprise web interface or watch the POST screen; both will list each of the four 20-core processors at 2.4 GHz and show 256 GB across the 48 DIMM slots with ECC status.

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